Today, the first official image of "Girls" star and classically trained singer Allison Williams, as the iconic title character in NBC's Dec. 4 telecast of "Peter Pan Live!" Check it out here!

Williams, who has sung on HBO's "Girls" and in various other projects, is an accomplished actress and singer. Since graduating from Yale University in 2010, she has starred as Marnie Michaels on the twice Emmy Award-nominated and Golden Globe-winning "Girls."

Williams recorded several songs (as Marnie) for the "Girls" soundtrack, and videos of her singing online that she made prior to "Girls" have gained millions of views. Williams has also appeared on "The Mindy Project" and "The League."

Williams appeared on the fourth hour of this morning's TODAY, along with 'Pan' casting director Bernie Telsey, where she shared that she dreamed of playing the iconic role since she was a child. "I hope flying will come seamlessly," joked the star. Check out the appearance below!

NBC's PETER PAN LIVE, the network special from executive producers Craig Zadan and Neil Meron, will air on December 4. Preparing to sprinkle fairy dust across America, NBC presents a bold new LIVE television production of the classic Broadway musical that will gather friends, families and anyone who refuses to ever grow up.

Following in the footsteps of the phenomenally successful THE SOUND OF MUSIC LIVE! -- which drew over 18 million viewers -- comes this musical masterpiece that tells the beloved story of Peter Pan, the mischievous little boy who ran away to Neverland. Get ready for show-stopping stars, stunning costumes, extravagant sets and delightful music that will have everyone in your home singing along.